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handle: 10261/164566
[ES] En la biología de los organismos del plancton tiene gran importancia la existencia de niveles en los que ciertos factores del ambiente, temperatura o salinidad, por ejemplo, presentan gradientes muy fuertes o relativas discontinuidades (Margalef, 1961). En las experiencias de laboratorio puede ser conveniente establecer niveles de este tipo. [...]
[EN] The device recommended by Cromwell (1960) for reproducing pycnolines in a tank has been found excellent for simulating a top mixing layer in high (2 m) culture vessels. [...]
8 pages, 3 figures
Peer reviewed
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